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lisabon 2012 [21]
3 years ago
11

Determine whether the equation defines y as a function of x. y = 2x + 8

Mathematics
1 answer:
Svetradugi [14.3K]3 years ago
6 0
We have that
y = 2x + 8
for x=1-----------> y=2*1+8=10
for x=2-----------> y=2*2+8=12
for x=3-----------> y=2*3+8=14
.
.
.

the equation y = 2x + 8 ----------- > defines y as a function of x, because <span>for each x there is only one value of y</span>.

the answer is
yes, the equation y = 2x + 8 defines y as a function of x
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